Home > OOP344 > enum intro in C

enum intro in C

Enums can be used to reduce #define statements in a C program, although they can have more uses.

Here is an example of enum.

int main()
enum Days{Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday};

Days TheDay;
int j = 0;
printf("Please enter the day of the week (0 to 6)\n");
TheDay = Days(j);

if(TheDay == Sunday || TheDay == Saturday)
printf("Hurray it is the weekend\n");
printf("Curses still at work\n");

return 0;

One thing to keep in mind is that enums start from 0 so in the following line of code

enum Days{Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday};

Sunday is assigned 0, Monday is assigned 1 and so on..

It is possible to make them start at a different number if we assign a number to it as shown below.

enum Days{Sunday = 1,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday};

In the example above, Sunday would have the value 1, Monday would have 2 and so on….

Feel free to ask any questions in the comment box below.

Categories: OOP344
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